About: http://webisa.webdatacommons.org/355151647

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In color theory, a shade is a pure color mixed with black (or having a lower lightness).
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org